target/linux/x86/base-files/lib/upgrade/platform.sh

   1 USE_REFRESH=1
   2
   3 x86_get_rootfs() {
   4         local rootfsdev
   5         local rootfstype
   6
   7         rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
   8         case "$rootfstype" in
   9                 squashfs|jffs2)
  10                         rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
  11                 ext4)
  12                         rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
  13         esac
  14
  15         echo "$rootfstype:$rootfsdev"
  16 }
  17
  18 platform_check_image() {
  19         [ "$ARGC" -gt 1 ] && return 1
  20
  21         case "$(get_magic_word "$1")" in
  22                 eb63) return 0;;
  23                 *)
  24                         echo "Invalid image type"
  25                         return 1
  26                 ;;
  27         esac
  28 }
  29
  30 platform_refresh_partitions() {
  31         return 0
  32 }
  33
  34 platform_copy_config() {
  35         local rootfs="$(x86_get_rootfs)"
  36         local rootfsdev="${rootfs##*:}"
  37
  38         mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
  39         cp -af "$CONF_TAR" /mnt/
  40         umount /mnt
  41 }
  42
  43 platform_do_upgrade() {
  44         local rootfs="$(x86_get_rootfs)"
  45         local rootfsdev="${rootfs##*:}"
  46
  47         sync
  48         [ -b ${rootfsdev%[0-9]} ] && get_image "$@" | dd of=${rootfsdev%[0-9]} bs=4096 conv=fsync
  49         sleep 1
  50 }